<template>
  <div class="tabs">
    <el-tag
      size="small"
      v-for="(tag, index) in tags"
      :key="tag.name"
      :closable="tag.name !== 'home'"
      :effect="$route.name === tag.name ? 'dark' : 'plain'"
      @click="changeMenu(tag)"
      @close="handleClose(tag,index)"
    >{{tag.label}}
    </el-tag>
  </div>
</template>

<script>
import { mapState,mapMutations } from "vuex";
export default {
  name: "CommonTag",
  data() {
    return {
      property: "value",
    };
  },
  computed: {
    ...mapState({
      tags: (state) => state.tab.tabsList,
    }),
  },
  methods:{
    ...mapMutations({
      close:'closeTag'
    }),
    changeMenu(item){
        this.$router.push({name:item.name})
    },
    handleClose(tag,index){
        const length =  this.tags.length-1
        this.close(tag)
        if(tag.name !== this.$route.name){
          return
        }
        if(index === length){
          this.$route.push({
            name: this.tags[index].name
          })
        }else{
          this.$route.push({
            name: this.tags[index-1].name
          })
        }
    }
  },
};
</script>

<style lang="less" scoped>
.tabs{
  padding: 20px;
  .el-tag{
    margin-right: 15px;
    cursor: pointer;
  }
}
</style>